Research Papers in Physics and Astronomy

 

Date of this Version

March 1999

Comments

Published by American Physical Society. Phys. Rev. Letters 82, 2653 (1999). http://prl.aps.org. Copyright © 1999 American Physical Society. Permission to use.

Abstract

We demonstrate control of high harmonic generation by a linearly polarized laser field using a uniform static magnetic field parallel to the laser polarization. We predict that particular values of the magnetic field can increase harmonic intensities by orders of magnitude. Classical orbit calculations show that these magnetic-field-induced intensity revivals occur when the return time for laser-driven motion of the electron back to the origin is a multiple of the cyclotron period for motion perpendicular to the laser polarization direction.

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